| Budget Amount *help |
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2013: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2012: ¥8,320,000 (Direct Cost: ¥6,400,000、Indirect Cost: ¥1,920,000)
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| Outline of Final Research Achievements |
Vanadium dependent bromoperoxidase (VBPO) was cloned from the red alga Laurencia nipponica which produces a halogenated compound, laurencin. The enzyme catalyzed cyclization and bromination of a precursor of laurencin. Bromination activity of recombinant enzyme was investigated. A similar type of VBPO was cloned from L. okamurae which produces a halogenated sesquiterpenoid, laurinterol. The recombinant enzyme showed bromination activity. In addition, another type of VBPO was cloned from L. saitoi which produces a halogenated triterpenoid. Its properties were investigated by using its recombinant protein. The structure of bromoallene containing C15 compound, omaezallene was reported. Its totaly syntehsis was successfully achieved.
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